Math, asked by sahiluday5497, 16 days ago

Cos 70 °/sin 20°+cos 59°/sin 31°-8 cos ^2 60 °

Answers

Answered by Hiyu2007

0

Answer:

0

Step-by-step explanation:

cos 70°/sin (90-70)° + cos 59°/sin (90-59)° - 8 (1/2)^2

cos 70°/cos 70° + cos 59°/cos 59° - 8×1/4

1 + 1 - 2

2-2

0

Previous Question

Next Question

Similar questions

Hindi, 8 days ago

जान्हवी' का पर्यायवाची शब्द बताइए ...

Physics, 8 days ago

fuse wire has low electric resistance true or false ...

Math, 8 days ago

A train travels a distance of 300 km in 2 hours, 250 km in 3 hours and 150 km in 2 hours. What is the train's average speed? a) 70 km/h b) 100 km/h c)200 km/h d)85 km/h...

Social Sciences, 16 days ago

Identify the appropriate reason for strengthening of federalism in India over the last three decades: (1) a) Emergence of coalitions between National and State parties b) Delegation of more powers to the states c) Active role of the judiciary d) States have become more assertive...

Math, 16 days ago

$16(a - b)3 squre - 24(a - b)2square$ solve this problem...

English, 9 months ago

Be the best If you can’t be a pine on the top of the hill, Be a scrub in the valley- but be The best little scrub by the side of the rill; Be a bush if you can’t be a tree. If your can’t be a bush be a bit of the grass, And some highway happier make; If you are a muskie then just be a bass- But the liveliest bass in the lake! We can’t all be captains, we’ve got to be crew, There’s...

Physics, 9 months ago

Why do you fall in the forward direction when a moving bus brakes to a stop and fall backwards when it accleration from rest...

English, 9 months ago

He was not punished he was guilty ...