Solve =100cos(1+0.13)^15

$$= 100 \cos ( 1 + 0.13 ) ^ { 15 }$$

Evaluate

$$99.7086817562309309046996620108690377975696300917283851570835444266488504173487218215442745154722631531748887813759073524894272110294384758072990801318831209883842760750949327299260125325462866446032415344763882933272148374826029901544423424$$

Solution Steps

Evaluate trigonometric functions in the problem

$$100 \cdot 0.9998055233121944 ^ {15}$$

Calculate 0.9998055233121944 to the power of 15 and get 0.997086817562309309046996620108690377975696300917283851570835444266488504173487218215442745154722631531748887813759073524894272110294384758072990801318831209883842760750949327299260125325462866446032415344763882933272148374826029901544423424.

$$100\times 0.997086817562309309046996620108690377975696300917283851570835444266488504173487218215442745154722631531748887813759073524894272110294384758072990801318831209883842760750949327299260125325462866446032415344763882933272148374826029901544423424$$

Multiply 100 and 0.997086817562309309046996620108690377975696300917283851570835444266488504173487218215442745154722631531748887813759073524894272110294384758072990801318831209883842760750949327299260125325462866446032415344763882933272148374826029901544423424 to get 99.7086817562309309046996620108690377975696300917283851570835444266488504173487218215442745154722631531748887813759073524894272110294384758072990801318831209883842760750949327299260125325462866446032415344763882933272148374826029901544423424.

$$99.7086817562309309046996620108690377975696300917283851570835444266488504173487218215442745154722631531748887813759073524894272110294384758072990801318831209883842760750949327299260125325462866446032415344763882933272148374826029901544423424$$